Poster Open Access

Transit Timing in the Kepler Field with PLATO: The case for 24 cameras on the Kepler Field

Jontof-Hutter, Daniel; Lissauer, Jack; Rowe, Jason


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.5551125", 
  "author": [
    {
      "family": "Jontof-Hutter, Daniel"
    }, 
    {
      "family": "Lissauer, Jack"
    }, 
    {
      "family": "Rowe, Jason"
    }
  ], 
  "issued": {
    "date-parts": [
      [
        2021, 
        10, 
        5
      ]
    ]
  }, 
  "abstract": "<p>Since TTV signals increase with observational baseline,&nbsp;PLATO&#39;s stare at the<br>\nKepler field will yield transit timing variations with a total baseline that<br>\nincludes both missions, an important opportunity unique to the&nbsp;PLATO&nbsp;mission.<br>\n<br>\nWe discuss the regimes in period and radius where Kepler and TESS provide<br>\ngood samples for planet characterization, and highlight where&nbsp;PLATO&nbsp;could<br>\nmaximize its impact; where Kepler planets are expected to have TTV signals<br>\nregardless of their prior detection, and where the TTV periodicity is<br>\ncomparable to or exceeds the Kepler baseline.<br>\n<br>\nWe argue that&nbsp;PLATO&#39;s impact in characterizing low-mass planets with transit<br>\ntiming will be significantly enhanced by centering Long-duration Observation<br>\nPhases on the Kepler field to ensure that 24 cameras observe Kepler targets,<br>\nenabling similar transit timing precision to Kepler. Transit timing<br>\nuncertainty scales as ~1/SNR. Hence, having just 6 (or 12) cameras on the<br>\nKepler field instead of 24 would increase transit timing uncertainties by ~2<br>\n(or sqrt(2)).<br>\n<br>\nFinally, we provide some examples of anticipated highlights from&nbsp;PLATO&nbsp;in<br>\ncharacterizing planets with transit timing.<br>\n&nbsp;</p>", 
  "title": "Transit Timing in the Kepler Field with PLATO: The case for 24 cameras on the Kepler Field", 
  "type": "graphic", 
  "id": "5551125"
}
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